The 17-hour X-ray study, performed in late November 2025, captured a subtle X-ray glow emanating from 3I/ATLAS's core.

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Long before modern observatories and spacecraft, court scribes in ancient China were quietly building one of humanity’s first ...

XRISM’s Xtend telescope captured the first X-ray image of interstellar comet 3I/ATLAS, revealing a faint X-ray glow and ...

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed predicted by standard cosmology. Using highly sensitive data from multiple ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) The interstellar comet, originally called A11pl3Z and now ...

Aliza Chasan is a Digital Content Producer for "60 Minutes" and CBSNews.com. She has previously written for outlets including PIX11 News, The New York Daily News, Inside Edition and DNAinfo. Aliza ...

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...